NEW YORK 



BOTANICAL G^^^^ 

 PRACTICAL BOTANY 



STRUCTURAL AND SYSTEMATIC 



THE LATTER PORTION BEING 



An Analytical Key to the Wild Flowering Plants 



RUBS, Ordinary Her] 



AND Grasses of the 



Trees, Shrubs, Ordinary Herbs, Sedges 



NOETHERN AND MIDDLE UNITED STATES 

 EAST OE THE MISSISSIPPI 



BY 



AUGUST KOEHLER M.D. 



Professor of Botany in the College of Pharmacu of the City of New York. 



copiously illustrated. 



NEW YORK 

 HENKY HOLT AND COMPANY 



187G 



